chore(package): update commitizen to version 4.0.3

Closes #129

Author: greenkeeper[bot]

package.json

@@ -40,7 +40,7 @@
     "@asset-pipe/sink-fs": "^1.1.3",
     "@commitlint/cli": "^7.0.0",
     "@commitlint/config-conventional": "^7.0.1",
-    "commitizen": "^3.0.5",
+    "commitizen": "^4.0.3",
     "cz-conventional-changelog": "^2.1.0",
     "eslint": "^5.0.1",
     "eslint-config-finn": "^3.0.1",